Type
Crossword
Description

This crossword contains the following questions and answers:

The smallest unit of matter(cannot be broken down by chemical means) Atom
A substance made of only one kind of atom (a pure substance) Element
A substance made of the joined atoms of two or more different elements Compound
A group of atoms held together by covalent bonds Molecule
An attraction between substances of the same kind Cohesion
An attraction between different substances Adhesion
A mixture in which one or more substances are evenly ditributed in another substance Solution
Compounds that form hydrogen ions when dissolved in water Acid
Compounds that reduce the concentration of hydrogen ions in a solution Base
Organic compound made of carbon, hydrogen, and oxygen atoms in proportion of 1:2:1 Carbohydrate
Nonpolar molecules that are not soluble in water Lipid
A chain of amino acids linked together Protein
The building blocks of protein Amino Acid
A long chain of nucleotide Nucleic Acid
The ability to move or change matter Energy
The energy needed to start a chemical reaction Activation Energy
Substances that increase the speed of chemical reactions Enzymes
A substances on which an enzymes acts during chemical reaction Substrate
Pockets formed by deep folds in large protein Active Site

    Customize    

Unit 2- Chemistry of Life Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

the smallest component of an element having the chemical properties of the element Atom
cannot be decomposed, and is made up of atoms all with identical number of protons. Element
formed when two or more chemical elements are chemically bonded together. Compound
a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction. Molecule
sticking together of alike molecules, such as water molecule being attracted to another water molecule. Cohesion
The force of attraction between unlike molecules, or the attraction between the surfaces of contacting bodies. Adhesion
homogenous mixture in which the particles of one or more substances are distributed uniformly throughout another substance. Solution
Any of a class of compounds that form hydrogen ions when dissolved in water, and whose aqueous solutions react with bases and certain metals to form salts. Acid
substances that accept protons from acids. Base
molecular compounds made from just three elements: carbon, hydrogen and oxygen. Carbohydrates
naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins, monoglycerides, diglycerides, triglycerides, phospholipids, and others. Lipids
A molecule composed of polymers of amino acids joined together by peptide bonds. Protein
consist of either one or two long chains of repeating units called nucleotides, and consists of a nitrogen base attached to a sugar phosphate. Nucleic Acid
link together bonds in a particular order as defined by genes. Amino acids
Use the metabolic capacities of organisms to convert some combination of light, biomass, organic compounds, gases and water into useful chemical-bond energy. Energy
the energy required to start a reaction. Active Energy
accelerate, or catalyze, chemical reactions. Enzymes
Material or substance on which an enzyme acts. Substrate
The specific region of an enzyme where a substrate binds and catalysis takes place or where chemical reaction occurs. Active Site

    Customize    

Chemistry of life Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

The basic unit of a chemical element Atom
A substance made of only one kind of atom (pure substance) Element
A substance made of joined atoms of two or more different elements Compound
A group of atoms bonded together Molecule
An attraction between substances of the same kind Cohesion
An attraction between different substances Adhesion
A mixture in which one or more substances are evenly distributed in another substance Solution
Compounds that form hydrogen Ions when dissolved in water Acid
Compounds that reduce the concentration of the hydrogen Ions in a solution Base
A biological molecule consisting of carbon (glucose) Carbohydrate
(FAT) saturated twice energy as carb Lipid
Amino Acid "Building Blocks" Protien
DNA RNA Nucleic Acid
biologically important organic compounds containing amine and carboxylic acid functional groups Amino Acid
property of objects which can be transferred to other objects or converted into different forms. Energy
the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction. Activation Energy
Used to regulate the rate (speed) Enzyme
Basic reaction (fits) Subtrate
a region on an enzyme that binds to a protein or other substance during a reaction. Active Site

    Customize    

Biology Vocabulary Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

what is the basic unit of a chemical element? atom
what is a substance consisting of atoms which all have the same number of protons? element
what is the smallest particle in a chemical element or compound that has the chemical properties of that element or compound? molecule
what is a chemical bond formed between two ions with opposite charges? ionic bond
what is a chemical bond formed by the sharing of one or more electrons, especially pairs of electrons, between atoms? covalent bond
What is a weak chemical bond between an electronegative atom, such as fluorine, oxygen, or nitrogen, and a hydrogen atom bound to another electronegative atom? Hydrogen bond
What is the sticking together of alike molecules, such as water molecule being attracted to another water molecule? Cohesion
What is the force of attraction between unlike molecules, or the attraction between the surfaces of contacting bodies? Adhesion
What is a measure of the hydorgen ion concentration of a solution? pH
What is a molecule that can combine with others of the same kind to form a polymer? Monomer
What are large molecules composed of many similar smaller molecules linked together ? Polymer
What is a large complex molecule, such as nucleic acids, proteins, carbohydrates, and lipids, with relatively large molecular weight ? Macromolecule
What are molecular compounds made from just three elements: carbon, hydrogen and oxygen.? Carbohydrate
What is a series of sweet-tasting, crystalline carbohydrates, especially a simple sugar or a chain of two or more simple sugars? Saccharide
what is an organic molecule of biological origin that is insoluble in water and soluble in non-polar solvents ? lipid
What is a molecule composed of polymers of amino acids joined together by peptide bonds.? protein
What are the building blocks of all biological proteins ? Amino acid
What are proteins that act as catalysts within living cells ? Enzyme
What is a substance capable of initiating or speeding up a chemical reaction? catalyst
What is a model that assumes an enzyme and substrate have a rigid interaction with each other, where a substrate fits in a key-like fashion to its lock, the enzyme, turning on the reaction ? Lock and key model
What are acids consist of either one or two long chains of repeating units called nucleotides, which consist of a nitrogen base attached to a sugar phosphate? nucleic acid
what is a chemical reaction that builds up molecules by losing water molecules ? dehydration systhesis
What is a chemical reaction in which two molecules combine to form a larger molecule with the elimination of a small molecule ? condensation reaction

    Customize    

Chemistry of Life Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

The basic unit of a chemical element Atom
A substance that cannot be decomposed into simpler substances by chemical means Element
A substance formed when two or more chemical elements are chemically bonded together. Compound
A tiny or very small piece of something Molecule
The sticking together of alike molecules Cohesion
The force of attraction between unlike molecules Adhesion
A substance in which the particles are spread out evenly Solution
Any class of compounds that form hydrogen ions when dissolved in water Acid
A substance that accepts protons from acids Base
Molecular compounds made from just three elements, carbon, hydrogen, and oxygen Carbohydrates
A group of naturally occurring molecules that include fats, waxes, and steroids Lipids
A molecule composed of polymers of amino acids joined together by peptide bonds Proteins
DNA and RNA Nucleic Acid
The building blocks of protein. Only 20 of these. Amino acids
The strength and vitality required for sub stained physical or mental activity Energy
The minimum quantity of energy that the reacting species Activation energy
A substance produced by a living organism that acts as a catalyst to bring about reactions Enzyme
A substance or layer that underlies something or on which some process occurs in particular Substrate
A region on an enzyme that binds to a protein or other substances during a reaction Active site

    Customize    

Atoms, Elements, and Compounds Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

are the building blocks of matter Atoms
Neutrons and Protons are located here Nucleus
Positively charged particles Protons
Particles that have no charge neutrons
Negitively charged particles Electrons
pure substances that cannot be broken down into other substances by physical or chemical means Element
Atoms of the same element that have different numbers of neutrons Isotopes
A pure substance formed when two or more different elements combine Compound
chemical bond that forms when electrons are shared Covalent bond
a compound in which the atoms are held together by covalent bonds Molecule
an electrical attraction between two oppositely charged atoms or groups of atoms ionic bonds
process by which atoms or groups of atoms in substances are reorganized into different substances chemical reaction
substance that lowers the activation energy needed to start a chemical reaction catalyst
biological catalyst that speed up the rate of chemical reactions in biological processes enzymes
specific location where a substrate binds on an enzyme active site
molecules that have an unequal distribution of charges polar molecules
the electrostatic attraction hydrogen bond
the substance that is dissolved in the solvent solute
substance in whih another substance is dissolved solvent
anothe name for homogeneous mixture solution

    Customize    

Food and Nutrition Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

The starches and sugars present in foods which are made up of carbon, oxygen, and hydrogen, which are used to store energy for the body. Carbohydrates
An indigestible complex carbohydrate that is found in the tough, stringy parts of vegetables, fruits, and whole grains. Fiber
The amount of energy required by the body to maintain minimum essential life functions. Basal Metabolic Rate
Nutrients that help build and maintain body cells and tissues which are made of long chains of molecules called amino acids. Proteins
Substances in food that your body needs to grow, to repair itself, and to supply you with energy. Nutrients
A fatty substance that does not dissolve in water. lipid
Units of heat that measure the energy used by the body and the energy that foods supply to the body. Calories
The long stiff fibers that make up the walls of plant cells which are made of long chains of glucose (sugar) molecules linked together. Cellulose
The kinds and amounts of food and drinks a person usually consumes (eats & drinks). Diet
The total of all the chemical reactions an organism needs to survive. The process of chemical digestion and its related reactions. Metabolism
The Nutrition Label helps you determine the amount of calories and nutrients in one serving of food. Nutrition Label
Special carbohydrates that are found in foods like rice, wheat, corn, potatoes, and peas. Starches
Specific chemical compounds which are the building blocks of proteins. Amino Acids
When the amount of calories you consume is EQUAL to the amount of energy calories your body uses during activity during a day. Energy Balance

    Customize    

Acids and Bases Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

A basic solution. Alkaline solution
Potential of Hydrogen pH
An Acid that is completely ionized in aqueous solution Strong Acid
An Acid that is only slightly ionized in aqueous solution Weak Acid
A solution of known concentration used in carrying out a titration Standard Solution
Process used to determine the concentration of the solution Tritration
A base that reacts with water to form the hydroxide ion and the conjugate acid of the base Weak Base
A base that completely dissociates into metal ions and hydroxide ions in aqueous solution Strong Base
Neutral Seven
Any substance that can accept a pair of electrons to form a covalent bond Lewis Acid
Any substance that can donate a pair of electrons to form a covalent bond Lewis Base
The positive ion formed when a water molecule gains a hydrogen ion. Hydronium Ion
The particle formed when a base gains a hydrogen ion. Conjugate Acid
A compound that has a pH of less then 7. Acid
A compound that has a pH more than 7. Base
Able to be dissolved in a solute. Soluable
A chemical reaction between an acid and a base that produces water and a salt. Neutralization
A substance that changes colors to indicate a change in the pH. Indicator
Negative log of the concentration of hydroxide ion. pOH
The point in the titration at which the indicator changes colors. End Point
What is the pH of Lakes normally 7
Used to cure heartburn. Antacid
Any process that results in the formation of an ion. Ionization
A molecule or ion that is a proton donor Bronsted Lowery Acid
An ionic compound composed of a cation and the anion from an acid. Salt

    Customize    

Chemisty of Life Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

The attraction between a hydrogen atom with a partial positove charge and another atom with a partial negative charge Hydrogen Bond
An attraction between molecules of the same substance Cohesion
An attraction between molecules of different substance Adhesion
Unequal charge distribution within a molecule resulting in oppisite poles or polar Polarity
The amount of heat energy required to raise the temperature of a substance Heat capacity
A subtance in which solutes are dissolved Solvent
A measurement system that indicates the concentration of H+ions pH scale
A compiund that forms H+ions in solution. These solutions have higher H+ion concentrations than neutral water and pH values below 7 Acid
A compund that forms OH-ions in solution. These solutions have lower H+ions than neutral water and have pH values above7 Base
Weak acids or bases that can react with a strong acids or bases to prevent sharp sudden changes in pH. Important for maintaining homeostasis. Buffer
Small subunit molecules that are the building blocks or polymers Monomer
Large molecules made up of repeating subunits or monomers Polymor
Compounds made up of carbon, hydrogen, and oxygen in 1:2:1 ratio. Used by living things for energy and to build structures. Carbohydrate
One sugar molecule Monosaccharide
Large carbohydrate molecule made up of many sugars Polysaccharide
Diverse grouos of molecules made up of carbon and hydrogen; generally not soluble in water. Used by living things for energy storage, biological membranes and waterproof Lipids
Macromolecules containing hydrogen, oxygen, carbon, nitrogen, phosphoros. Stores and transmits genetic information Nucleic acids
The monomers of nucleic acids of a 5 carbon sugar, notrogen base Nucleotides
Macromolecules that contain hydrogen, carbon, oxygen and nitrogen. Catalyze chemical reactions, provide structures, fight disease, and allow for cellular transport Proteins
The monomers of proteins containing an amino group and a carboxyl group Amino acids
Proteins that speed up chemical reactions that take place in cells Enzymes
The energy that is needed to get a chemical reaction started Activation energy
The reactants of enzyme-catalyzed reactions Substrates

    Customize    

Organic Chemistry Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

A compound which have the same molecular formula but a different structural formula Isomer
Hydrocarbon having the general formula CnH2n+2 Alkane
Hydrocarbon that contains one or more carbon-carbon double bonds. Alkenes with only one carbon-carbon double bond have the general formula CnH2n Alkene
A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change Catalyst
Reaction of alkenes with hydrogen, water or bromine Addition reaction
An organic acid containing the carboxyl group, -COOH. Carboxylic acid
The chemical name for burning Combustion
The breaking down of long chain hydrocarbon molecules a catalyst to produce smaller hydrocarbon molecules and/or hydrogen. Catalytic cracking
The conversion of glucose by microorganisms such as yeast into ethanol and carbon dioxide. Fermentation
A process that separates the components in a mixture on the bases of their different boiling points Fractional distillation
Organic compounds made up from the elements hydrogen and carbon only Hydrocarbons
A very large molecule built up of a number of repeating units called monomers Polymer
A formula which shows how the atoms are arranged in a molecule Structural formula
A family of organic compounds with members of the family having the same functional group and similar chemical properties Homologous series
The temperature at which a substance boils and turns to vapour Boiling point
A molecule that can be bonded to other identical molecules to form a polymer monomer
A mixture of hydrocarbons present under the earth's crust as a black sticky liquid Crude oil
A group of molecules attached to a backbone chain of a long molecule Side group
Used for fractional distillation of crude oil. Fractioning column
a sweet smelling chemical made by reacting an alcohol with an organic acid Esters

    Customize    

Biology Crossword Puzzle

Type
Crossword
Description

This crossword contains the following questions and answers:

The smallest unit of matter that cannot be broken down by chemical means. Atom
A pure substance made of only one kind of atom. Element
A substance made of the joined atoms of two or more different elements. Compound
A group of atoms held together by covalent bonds. Molecule
An atom or molecule that has gained or lost one of more electrons. Ion
An attraction between substances of the same kind. Cohesion
An attraction between different substances. Adhesion
A mixture in which one or more substances are evenly distributed in another substance. Solution
Compounds that form hydrogen ions when dissolved in water. Acid
Compounds that reduce the concentration of hydrogen ions in a solution. Base
Organic compounds made of carbonm hydrogen, and oxygen atoms. Carbohydrate
Single sugar building blocks of carbohydrates. Monosaccharide
Nonpolar molecules that are no soluble or mostly insoluble in water. Lipid
Usually a large molecule formed by linked smaller molecules called amino acids. Protein
The building blocks of proteins. Amino Acid
A long chain of smaller molecules called nucleotides. Nucleic Acid
Organic molecules that serve as the monomers of nucleic acids. Nucleotide
A molecule that carries the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses. DNA
A polymeric molecule essential in various biological roles in coding, decoding, regulation, and expression of genes. RNA
A single nucleotide with two extra energy-storing phosphate groups. ATP
The ability to move or change matter. Energy
The energy needed to start a chemical reaction. Activation Energy
Substances that increase the speed of chemical reactions. Enzyme
A substance on which an enzyme acts during a chemical reaction. Substrate
Pockets formed from a large protein with one or more deep folds on its surface. Active Site

    Customize